Are direct flights from Chiang Mai to Seoul always the best option?

Direct flights offer convenience and save travel time, but they are not always the cheapest option. Flights with layovers can sometimes be more affordable, especially if you are willing to spend extra time in transit. Consider your budget and schedule when deciding.

Can flexible travel dates help on Chiang Mai to Seoul flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week flights or traveling during off-peak seasons often result in lower fares. Adjusting your departure or return by a few days may unlock better deals.

What extra costs should I check before booking Chiang Mai to Seoul flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From Chiang Mai

To Seoul

Cheap Flights from Chiang Mai to Seoul

Browse current best options from Chiang Mai. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Chiang Mai

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 7 days ago

482 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Chiang Mai to Seoul

Explore current cheapest deals departing from Chiang Mai to Seoul

2026-12-03 – 2026-12-12
CNX - Seoul
66% AI deal score
$212
$234
Round trip
2026-10-29 – 2026-11-02
CNX - Seoul
81% AI deal score
$322
$245
Round trip
2026-10-30 – 2026-11-02
CNX - Seoul
81% AI deal score
$324
$245
Round trip
2026-10-31 – 2026-11-02
CNX - Seoul
84% AI deal score
$329
$247
Round trip
2026-10-30 – 2026-11-01
CNX - Seoul
84% AI deal score
$329
$248
Round trip
2026-10-31 – 2026-11-01
CNX - Seoul
84% AI deal score
$330
$248
Round trip
2026-10-29 – 2026-11-01
CNX - Seoul
80% AI deal score
$324
$248
Round trip
2026-10-30 – 2026-10-31
CNX - Seoul
78% AI deal score
$330
$250
Round trip
2026-11-20 – 2026-12-12
CNX - Seoul
67% AI deal score
$175
$252
Round trip
2026-10-29 – 2026-10-31
CNX - Seoul
73% AI deal score
$329
$253
Round trip

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

For cheap flights from Chiang Mai to Seoul, the most affordable month to fly is August, with a median fare of $224. Other cost-effective options include October, where the median fare is $434, and September, with a median of $436.

Fares for flights from Chiang Mai to Seoul typically range from $355–$597, with a median of $457. Right now, current fares are above the typical level. New deals for this route are infrequent, so setting up a price alert can be beneficial.

Most itineraries for this route connect at least once, with only 9.7% of recent fares being non-stop. For connecting itineraries, the typical number of connections is 2.

A typical journey from Chiang Mai to Seoul, including connections, takes approximately 5h 20m. Non-stop flights also have a median duration of 5h 20m, while connecting flights typically extend to 16h 15m.

The distance between Chiang Mai and Seoul is 3382 km, classifying this as a medium-haul route.

How much is a round trip from Chiang Mai to Seoul

Regular price: $203 - $358

Prices for flights from Chiang Mai to Seoul are currently within the regular range.

The regular price range for this route is between 203 USD and 358 USD. The current lowest deal is 245 USD with Air Busan, for travel from Oct 29-Nov 9.

now $245

Low $203

High $358

The cheapest time to fly from Chiang Mai to Seoul

The cheapest month to fly from Chiang Mai to Seoul is August, with a median price of $224. The most expensive month is April, with a median price of $538. Prices are generally lower from July to October.

August

Cheapest

Flights from $224

April

Most Expensive

Flights from $538

Apr

Jul

Aug

Sep

Oct

Nov

Direct flights from Chiang Mai to Seoul

Air Busan

Last-minute flights going from Chiang Mai to Seoul

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$330

$270

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$275

$271

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$300

$271

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$325

$278

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Coyne Aviation

$323

$289

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Arcus-Air Logistic

$330

$322

One-way

Biggest price drops on these dates for flights from Chiang Mai to Seoul

3 nights

Oct 29 - Nov 1

$324 → $246

24%

4 nights

Oct 29 - Nov 2

$322 → $246

24%

2 nights

Oct 30 - Nov 1

$329 → $254

23%

1 night

Oct 29 - Oct 30

$330 → $256

22%

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for flights from Chiang Mai to Seoul are above the typical level.

📅 Best time to fly

August is historically the cheapest month

Historically, August is the cheapest month to fly from Chiang Mai to Seoul, with a median price of $224.

⏱️ Flight duration

Direct flights take 5h 20m

Direct flights from Chiang Mai to Seoul typically take 5 hours and 20 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, making up 90.3% of recent flights from Chiang Mai to Seoul.

🏆 Airline highlight

Air Busan offers direct flights

Air Busan is an airline that offers direct flights from Chiang Mai to Seoul.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Chiang Mai to Seoul are historically rare, appearing less often than once a month.

Chiang Mai main airports to depart from

Chiang Mai International (CNX)

Cheapest

Chiang Mai International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~8 km from city center (reachable by car)

💸 Flights from ~$279

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$263

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$374

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Chiang Mai to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From CNX

Elite

Nov 10

Seoul, South Korea

91% AI deal score

$1,883

$572

Save $1,311

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 30

Seoul, South Korea

91% AI deal score

$1,729

$572

Save $1,157

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 10

Seoul, South Korea

91% AI deal score

$1,771

$582

Save $1,189

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 10

Seoul, South Korea

91% AI deal score

$1,876

$582

Save $1,294

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 10

Seoul, South Korea

91% AI deal score

$1,752

$582

Save $1,170

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 19

Seoul, South Korea

91% AI deal score

$1,688

$582

Save $1,106

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 10

Seoul, South Korea

91% AI deal score

$1,742

$582

Save $1,160

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Dec 11

Seoul, South Korea

91% AI deal score

$1,880

$582

Save $1,298

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 13

Seoul, South Korea

91% AI deal score

$1,859

$592

Save $1,267

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 12

Seoul, South Korea

91% AI deal score

$1,745

$592

Save $1,153

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 12

Seoul, South Korea

91% AI deal score

$1,854

$592

Save $1,262

Arcus-Air Logistic, +1

Business Class

From CNX

Elite

Nov 12

Seoul, South Korea

91% AI deal score

$1,742

$592

Save $1,150

Arcus-Air Logistic, +1

Business Class

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also reveal better deals. Setting up price alerts may help you track fare changes.

Booking flights in advance often provides more options and potentially lower prices. However, last-minute deals can sometimes appear, so it's wise to monitor fares if your travel dates are flexible. Prices can fluctuate based on demand and seasonality.

Comparing nearby airports can sometimes lead to more economical flight options. While it may involve additional ground transportation, the savings on airfare can be significant. Always factor in the total cost and travel time when considering alternative airports.

Related routes

More routes from Chiang Mai

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Flights to Seoul from other cities

Flights from Angeles to Seoul Flights from Cancún to Seoul Flights from Cape Town to Seoul Flights from Chengdu to Seoul Flights from Colorado Springs to Seoul Flights from Da Nang to Seoul Flights from Dallas to Seoul Flights from Damascus to Seoul Flights from Dhaka to Seoul Flights from Dumaguete to Seoul Flights from Kochi to Seoul Flights from New Delhi to Seoul

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

Most itineraries for this route connect at least once, with only 9.7% of recent fares being non-stop. For connecting itineraries, the typical number of connections is 2.

The distance between Chiang Mai and Seoul is 3382 km, classifying this as a medium-haul route.

How much is a round trip from Chiang Mai to Seoul

Regular price: $203 - $358

Prices for flights from Chiang Mai to Seoul are currently within the regular range.

The regular price range for this route is between 203 USD and 358 USD. The current lowest deal is 245 USD with Air Busan, for travel from Oct 29-Nov 9.

now $245

Low $203

High $358

The cheapest time to fly from Chiang Mai to Seoul

August

Cheapest

Flights from $224

April

Most Expensive

Flights from $538

Apr

Jul

Aug

Sep

Oct

Nov

Direct flights from Chiang Mai to Seoul

Air Busan

Last-minute flights going from Chiang Mai to Seoul

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$330

$270

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$275

$271

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$300

$271

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$325

$278

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Coyne Aviation

$323

$289

One-way

Tue, Oct 27

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Arcus-Air Logistic

$330

$322

One-way

Biggest price drops on these dates for flights from Chiang Mai to Seoul

3 nights

Oct 29 - Nov 1

$324 → $246

24%

4 nights

Oct 29 - Nov 2

$322 → $246

24%

2 nights

Oct 30 - Nov 1

$329 → $254

23%

1 night

Oct 29 - Oct 30

$330 → $256

22%

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for flights from Chiang Mai to Seoul are above the typical level.

📅 Best time to fly

August is historically the cheapest month

Historically, August is the cheapest month to fly from Chiang Mai to Seoul, with a median price of $224.

⏱️ Flight duration

Direct flights take 5h 20m

Direct flights from Chiang Mai to Seoul typically take 5 hours and 20 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, making up 90.3% of recent flights from Chiang Mai to Seoul.

🏆 Airline highlight

Air Busan offers direct flights

Air Busan is an airline that offers direct flights from Chiang Mai to Seoul.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Chiang Mai to Seoul are historically rare, appearing less often than once a month.

Chiang Mai main airports to depart from

Chiang Mai International (CNX)

Cheapest

Chiang Mai International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~8 km from city center (reachable by car)

💸 Flights from ~$279

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$263

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

Seoul, South Korea

91% AI deal score

$1,742

$592

Save $1,150

Arcus-Air Logistic, +1

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Chiang Mai to Seoul

Today’s best flight deals from Chiang Mai to Seoul

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

How much is a round trip from Chiang Mai to Seoul

The cheapest time to fly from Chiang Mai to Seoul

Direct flights from Chiang Mai to Seoul

Last-minute flights going from Chiang Mai to Seoul

Biggest price drops on these dates for flights from Chiang Mai to Seoul

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

Recent fares are above the typical level

August is historically the cheapest month

Direct flights take 5h 20m

Connecting flights are dominant

Air Busan offers direct flights

Deals are rare for this route

Chiang Mai main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 10

Nov 30

Nov 10

Nov 10

Nov 10

Nov 19

Nov 10

Dec 11

Nov 13

Nov 12

Nov 12

Nov 12

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Chiang Mai to Seoul?

When should I book flights from Chiang Mai to Seoul?

Should I compare nearby airports for flights from Chiang Mai to Seoul?

Are direct flights from Chiang Mai to Seoul always the best option?

Can flexible travel dates help on Chiang Mai to Seoul flights?

What extra costs should I check before booking Chiang Mai to Seoul flights?

Related routes

More routes from Chiang Mai

Flights to Seoul from other cities

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

How much is a round trip from Chiang Mai to Seoul

The cheapest time to fly from Chiang Mai to Seoul

Direct flights from Chiang Mai to Seoul

Last-minute flights going from Chiang Mai to Seoul

Biggest price drops on these dates for flights from Chiang Mai to Seoul

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

Recent fares are above the typical level

August is historically the cheapest month

Direct flights take 5h 20m

Connecting flights are dominant

Air Busan offers direct flights

Deals are rare for this route

Chiang Mai main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Nov 10

Nov 30

Nov 10

Nov 10

Nov 10

Nov 19

Nov 10

Dec 11

Nov 13

Nov 12

Nov 12

Nov 12

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Chiang Mai to Seoul?

When should I book flights from Chiang Mai to Seoul?

Should I compare nearby airports for flights from Chiang Mai to Seoul?